Weighing 153 pounds, Bolo was born Oct. 12 to second-time mother Big Girl, who first birthed a female calf in November 2005. On Oct. 5, the Disney’s Animal Programs team helped to deliver 166-pound calf Bruehler from third-time mother Aibuni. As newborns, both male calves stand nearly six feet tall and could grow to be as tall as 15 – 18 feet as adults.